WO2016154751A1 - Générateur pour une roue de train - Google Patents

Générateur pour une roue de train Download PDF

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Publication number
WO2016154751A1
WO2016154751A1 PCT/CA2016/050366 CA2016050366W WO2016154751A1 WO 2016154751 A1 WO2016154751 A1 WO 2016154751A1 CA 2016050366 W CA2016050366 W CA 2016050366W WO 2016154751 A1 WO2016154751 A1 WO 2016154751A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
rotor
generator
train wheel
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CA2016/050366
Other languages
English (en)
Inventor
Rod NEWLOVE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2016154751A1 publication Critical patent/WO2016154751A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F15/00—Axle-boxes
    • B61F15/20—Details
    • B61F15/26—Covers; Sealing thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0081—On-board diagnosis or maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains

Definitions

  • This relates generally to generators of electricity, and more specifically to generators for recovering energy from a train wheel.
  • Trains are provided with lights at the front and end of the train to provide visibility to the train occupants, as well as to other vehicles that may cross paths with the train in order to avoid collisions.
  • lights are not provided along the sides of trains, such that their visibility is limited, which may make it difficult for to pedestrians and vehicles to see the trains at night.
  • Problems with the wheel bearings or brakes of the train can be detected by temperature sensors placed on the wheels of the train.
  • providing electrical power to the exterior of trains, especially the wheels is made challenging by the layout of the train and the configuration of the wheels.
  • a generator for use with a train wheel, the generator comprising a housing having a mounting surface for fixedly mounting the housing to a train wheel, a stator fixedly attached to the housing, a rotor rotatably mounted to the stator, the rotor having an axis of rotation, and a counterweight attached to the rotor, the counterweight having a centre of gravity at a point offset from the axis of rotation of the rotor, the weight of the counterweight acting to maintain the rotor in a stationary position as the stator rotates with the housing, wherein the movement of the stator relative to the rotor generates electrical energy through the stator, and at least one of a light and a bearing monitoring system being electrically connected to the stator and powered by the electrical energy.
  • the stator may comprise an armature and the rotor may comprise a permanent magnet, the rotation of the armature relative to the permanent magnet generating the electrical energy.
  • the generator may further comprise an electricity storage device electrically connected to the stator and supplied by the electrical energy.
  • both of the light and the bearing monitoring system may be electrically connected to the stator and powered by the electrical energy.
  • the bearing monitoring system may comprise a temperature sensor.
  • the generator may further comprise a notification indicator connected to the temperature sensor.
  • FIG. 1 is a perspective view of a train wheel having an electrical generator attached.
  • FIG. 2 is a cross-sectional view in isolation of the electrical generator shown in FIG. 1.
  • FIG. 3 is a front elevation view in section in isolation of the electrical generator shown in FIG. 1.
  • FIG. 4 is a perspective view in isolation of the mounting side of the electrical generator shown in FIG. 1.
  • FIG. 5 is a perspective view in isolation of the generator side of the electrical generator shown in FIG. 1.
  • FIG. 6 is a flow diagram of an application of the electrical generator. DETAILED DESCRIPTION
  • generator 10 for use with train wheel 12 has a housing 14 with a mounting surface 16 for fixedly mounting housing 14 to train wheel 12.
  • FIG. 4 and 5 the depicted example shows a suitably type of mounting, where mounting surface 16 is a flange that extends outward from housing 14 with holes that allow the flange to be pin connected to train wheel 12, as shown in FIG. 1.
  • Other types of mountings may also be used.
  • a stator 18 is provided within housing 14 that is fixedly attached to housing 14.
  • a rotor 20 is rotatably mounted to stator 18 and has an axis of rotation 22.
  • a counterweight 24 is attached to rotor 20, counterweight 24 having a centre of gravity 40 (shown in FIG. 3) at a point offset from axis of rotation 22 of rotor 20.
  • the shape of counterweight 24 may be selected to offset the centre of gravity 40 from rotor 20 as far as possible in order to provide more resistance against the movement of rotor 20.
  • stator and rotor generally refer to a stationary element and a rotating element. However, this designation will depend on the frame of reference. In the depicted embodiment, rotor 20 is held stationary by counterweight 24, while stator rotates with train wheel 12.
  • stator 18 The movement of stator 18 relative to rotor 20 generates electrical energy that can be electrically transmitted to power connected devices.
  • rotor 20 may be provided as a permanent magnet that rotates relative to stator 18, which may, for example, have an armature 19 such as a wire coil that rotates with stator 18.
  • Rotor 20 may be designed to be outside of stator 18 as shown, or within stator 18.
  • the rotation of the armature 19 relative to the permanent magnet generates electrical energy in armature 19. It will be understood that the potential difference may also be generated by the rotation of a first electrical connection 26 connected to stator 18 and a second electrical connection 28 connected to rotor 20.
  • bearing monitoring system 32 is a temperature sensor that is connected to lights 30, which are also used as a notification indicator to warn against bearing failure.
  • the notification indicator 30 may take various forms, and may be visual, auditory, or may have a wireless transmission function to communicate temperature warnings to remote devices.
  • a processor may be used that causes lights 30 to display a different colour, or a particular partem if an alarm condition is detected.
  • there may be a wireless transmission function such as a BluetoothTM connection or a short range radio frequency module.
  • Bearing monitoring system 32 may be provided in order to provide a warning if the temperature of the wheel hub exceeds a predefined temperature, which may indicate a problem with a wheel bearing or brake. As shown, both light 30 and bearing monitoring system 32 are electrically connected to stator 20 and powered by the electrical energy generated by the device rotation. An electricity storage device 34 may also be supplied by the electrical energy.
  • generator 10 may be used to provide self- generated power a railway Collision Avoidance System (RCAS) connected to the bearing cover bolts of a train car wheel.
  • a microcontroller 42 is provided that is powered by generator 10 and electricity storage device 34.
  • Generator 10 may provide electricity through an AC/DC converter 44 and a regulator 46.
  • Warning indicator lights 30 may be provided along the train cars to provide a visual warning system to other vehicles for collision avoidance.
  • the microcontroller controls a predefined oscillation of the warning indicator lights 30 as well as monitoring the wheel bearing house temperature as measured by temperature sensor 32.
  • Lights 30 may be high intensity LED lights.
  • a clock 48 may also be provided to control the oscillation frequency of the lights 30 and the sampling interval of temperature sensor 32.
  • the microcontroller may control a microcontroller brown out voltage and have brown out detector 50, and may further be programmed to use a low power sleep mode and watchdog timers to conserve electrical storage.
  • the microcontroller may also use either an analogue to digital converter or a serial interface temperature monitor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Toys (AREA)

Abstract

L'invention concerne un générateur destiné à être utilisé avec une roue de train, lequel comporte un logement possédant une surface de montage pour un montage fixe du logement à une roue de train, un stator attaché fixement au logement, un rotor monté rotatif au stator, un contrepoids fixé au rotor avec son centre de gravité décalé de l'axe de rotation du rotor, le poids du contrepoids agissant pour maintenir le rotor dans une position stationnaire à mesure que le stator tourne avec le logement. Le mouvement du stator par rapport au rotor génère une différence de potentiel et au moins un élément parmi une lampe et un système de surveillance de palier est connecté au générateur et est alimenté par la différence de potentiel.
PCT/CA2016/050366 2015-03-30 2016-03-29 Générateur pour une roue de train Ceased WO2016154751A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2886694A CA2886694A1 (fr) 2015-03-30 2015-03-30 Systeme d'evitement de collision ferroviaire
CA2,886,694 2015-03-30

Publications (1)

Publication Number Publication Date
WO2016154751A1 true WO2016154751A1 (fr) 2016-10-06

Family

ID=56998715

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2016/050366 Ceased WO2016154751A1 (fr) 2015-03-30 2016-03-29 Générateur pour une roue de train

Country Status (2)

Country Link
CA (1) CA2886694A1 (fr)
WO (1) WO2016154751A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10235882B1 (en) 2018-03-19 2019-03-19 Derq Inc. Early warning and collision avoidance
EP4022591A4 (fr) 2019-08-29 2022-10-19 Derq Inc. Équipement embarqué amélioré

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010000305A1 (en) * 1999-08-23 2001-04-19 Murray Wayne H. Self-regulating, axle-mounted electrical generation device
US20060164225A1 (en) * 2002-12-20 2006-07-27 Pearman Kevin P Wheel mounted power generator
US20140152025A1 (en) * 2012-11-30 2014-06-05 Aktiebolaget Skf System for harvesting energy including a counterweight and a system for controlling the angular position of the counterweight

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010000305A1 (en) * 1999-08-23 2001-04-19 Murray Wayne H. Self-regulating, axle-mounted electrical generation device
US20060164225A1 (en) * 2002-12-20 2006-07-27 Pearman Kevin P Wheel mounted power generator
US20140152025A1 (en) * 2012-11-30 2014-06-05 Aktiebolaget Skf System for harvesting energy including a counterweight and a system for controlling the angular position of the counterweight

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Y. J. WANG ET AL.: "System Design of a Weighted-Pendulum-Type Electromagnetic Generator for Harvesting Energy From a Rotating Wheel", IEEE /ASME TRANSACTIONS ON MECHATRONICS, vol. 18, no. 2, April 2013 (2013-04-01), pages 754 - 763, XP011486999 *

Also Published As

Publication number Publication date
CA2886694A1 (fr) 2016-09-30

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